<template>
    <div class="xtx-dialog" :class="{fade}" v-show="modelValue">
      <div class="wrapper" :class="{fade}">
        <div class="header">
          <h3>{{ title }}</h3>
          <a @click="colseDialog()" href="JavaScript:;" class="iconfont icon-close-new"></a>
        </div>
        <div class="body">
          <slot />
        </div>
        <div class="footer">
          <slot name="footer" />
        </div>
      </div>
    </div>
  </template>
  <script>
//   import { emit } from 'process'
import { ref,  watch } from 'vue'
  export default {
    props:{
        title:{
            tpye:String,
            default:''
        },
        modelValue:{
            type:Boolean,
            default:false
        }
    },
    setup (props,{emit}) {
      const fade = ref(false)
     //改造动画时机
     watch(() =>props.modelValue,(newValue) =>{
        setTimeout(() => {
          fade.value = newValue 
        }, 0)
       
     },{immediate:true})
      //关闭触发通知父组件
      const colseDialog =() =>{
            emit('update:modelValue',false)
        }
      return { fade ,colseDialog}
    }
  }
  </script>
  <style scoped lang="less">
  .xtx-dialog {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 8887;
    background: rgba(0,0,0,0);
    &.fade {
      transition: all 0.4s;
      background: rgba(0,0,0,.5);
    }
    .wrapper {
      width: 600px;
      background: #fff;
      border-radius: 4px;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%,-60%);
      opacity: 0;
      &.fade {
        transition: all 0.4s;
        transform: translate(-50%,-50%);
        opacity: 1;
      }
      .body {
        padding: 20px 40px;
        font-size: 16px;
        .icon-warning {
          color: @priceColor;
          margin-right: 3px;
          font-size: 16px;
        }
      }
      .footer {
        text-align: center;
        padding: 10px 0 30px 0;
      }
      .header {
        position: relative;
        height: 70px;
        line-height: 70px;
        padding: 0 20px;
        border-bottom: 1px solid #f5f5f5;
        h3 {
          font-weight: normal;
          font-size: 18px;
        }
        a {
          position: absolute;
          right: 25px;
          top: 25px;
          font-size: 24px;
          width: 20px;
          height: 20px;
          line-height: 20px;
          text-align: center;
          color: #999;
          &:hover {
            color: #666;
          }
        }
      }
    }
  }
  </style>